Single 8-inch
1 wired microphone
Size: 245*225*395mm
Power: 3 knobs with 3.7v 15W
Configuration: 8-inch bass + 7-color lights
Battery: 3.7V/1800MAH lithium battery
Functions: USB, TF card, Bluetooth enabled, with display, FM, color box, outer packaging, charging cable, small remote control, wired microphone, TWS